Overview

overview

9

Static

static

3

tweekbest.exe

windows10-2004-x64

9

tweekbest.exe

windows11-21h2-x64

1

Sharing

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General

  • Target
    tweekbest.exe
  • Size 298KB
  • Sample260528-s19ryaew6y
  • SHA256 2e365109f189757eaa491b3cba03bb5470a038c662f6a0f158e306bbbb3353f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      tweekbest.exe
    • Size 298KB
    • SHA256 2e365109f189757eaa491b3cba03bb5470a038c662f6a0f158e306bbbb3353f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Stops running service(s)

      defense_evasionexecution

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Power Settings

1
T1653

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks